Wenckebach Heart Block Evaluation
The evaluation of someone with a second degree heart block begins with a medical history and physical examination.
The physical exam in someone with second degree heart block may be normal.
Physical findings in someone with second degree heart block may include:
Testing is required to make the diagnosis of second degree heart block.
Tests that may be used to evaluate second degree heart block include:
- Electrocardiogram or EKG:
- This test that can show the heart rhythm, rate, and signs of heart attack.
- EKG machine
- Normal EKG tracing
- EKG with second degree heart block
- Uses sound waves to form images of the inside of the heart.
- Holter monitor:
- Kidney profile
- Cardiac enzymes:
- Chest x-ray:
- Thallium heart scan
- Cardiac stress test:
- Cardiac catheterization:
- Dye is introduced into the coronary arteries, and the blood flow is observed on x-ray.
- Intracardiac electrophysiologic studies (EPS):
- The heart is stimulated with tiny electrical currents in order to find the cause of an arrhythmia.
Continue to Wenckebach Heart Block Treatment
- Shaw DB, Gowers JI, Kekwick CA, New KH, Whistance AW. Is Mobitz type I atrioventricular block benign in adults? Heart. 2004 Feb;90(2):169-74. 
- Silverman ME, Upshaw CB Jr, Lange HW. Woldemar Mobitz and His 1924 classification of second-degree atrioventricular block. Circulation. 2004 Aug 31;110(9):1162-7. 
- Wogan JM, Lowenstein SR, Gordon GS. Second-degree atrioventricular block: Mobitz type II. J Emerg Med. 1993 Jan-Feb;11(1):47-54.